They were revived a few years' ago, but now I don't see them around - gone again?

Anyway, that's what I always went for in the Food Building, that's what I always gnawed on all summer long. I especially liked when the cold would freeze your brain and you'd temporarily see nothing but painful bright light. Good times.

I seem to recall coming out of the food building with loads of gum, chocolate and candy in those long thin plastic bags. Did they give it away for free back then or did my parents pay for it while I was busy stuffing my mouth with 3 cubes of Hubba Bubba?